Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 24, 2022
Sepsis
is
a
severe
clinical
syndrome
caused
by
dysregulated
systemic
inflammatory
responses
to
infection.
Methylation
modification,
as
crucial
mechanism
of
RNA
functional
can
manipulate
the
immunophenotype
and
activity
immune
cells
participate
in
sepsis
progression.
This
study
aims
explore
N6-methyladenosine
(m6A)
methylation
modification
cell-mediated
through
keyword
search.Literature
retrieval.Literature
retrieval
reveals
that
m6A
implicated
sepsis-induced
lung
injury
myocardial
injury,as
well
sepsis-related
encephalopathy.
Furthermore,
it
found
regulate
inhibiting
chemotaxis
neutrophils
formation
neutrophil
extracellular
traps
suppressing
macrophage
phagocytosis,
thereby
playing
role
sepsis.
Aging and Disease,
Journal Year:
2023,
Volume and Issue:
unknown, P. 0 - 0
Published: Jan. 1, 2023
Aging
leads
to
progressive
deterioration
of
the
structure
and
function
arteries,
which
eventually
contributes
development
vascular
aging-related
diseases.
N6-methyladenosine
(m6A)
is
most
prevalent
modification
in
eukaryotic
RNAs.
This
reversible
m6A
RNA
dynamically
regulated
by
writers,
erasers,
readers,
playing
a
critical
role
various
physiological
pathological
conditions
affecting
almost
all
stages
life
cycle.
Recent
studies
have
highlighted
involvement
aging
related
diseases,
shedding
light
on
its
potential
clinical
significance.
In
this
paper,
we
comprehensively
discuss
current
understanding
implications.
We
molecular
insights
into
association
with
realities,
emphasizing
significance
unraveling
mechanisms
underlying
aging.
Furthermore,
explore
possibility
regulators
as
indicators
for
early
diagnosis
prognosis
prediction
investigate
therapeutic
m6A-associated
anti-aging
approaches.
also
examine
challenges
future
directions
field
highlight
necessity
integrating
knowledge
patient-centered
care.
Finally,
emphasize
need
multidisciplinary
collaboration
advance
research
application.
Abstract
Background
Circular
RNAs
(circRNAs)
are
differentially
expressed
in
various
cardiovascular
diseases,
including
myocardial
infarction
(MI)
injury.
However,
their
functional
role
necroptosis-induced
loss
of
cardiomyocytes
remains
unclear.
We
identified
a
cardiac
necroptosis-associated
circRNA
transcribed
from
the
Cacna1c
gene
(circCacna1c)
to
investigate
involvement
circRNAs
cardiomyocyte
necroptosis.
Methods
To
circCacna1c
during
oxidative
stress,
H9c2
cells
and
neonatal
rat
were
treated
with
hydrogen
peroxide
(H
2
O
)
induce
reactive
oxygen
species
(ROS)-induced
death.
The
N
6
-methyladenosine
(m
A)
modification
level
was
determined
by
methylated
RNA
immunoprecipitation
quantitative
polymerase
chain
reaction
(MeRIP–qPCR)
analysis.
Additionally,
an
pull-down
assay
performed
identify
interacting
proteins
cardiomyocytes,
regulatory
target
protein
expression
tested
using
western
blotting
assay.
Furthermore,
MI
mouse
model
constructed
analyze
effect
on
heart
function
Results
found
be
reduced
exposed
stress
hearts
injured
MI.
Overexpression
inhibited
necroptosis
induced
injury,
resulting
significant
reduction
size
improved
function.
Mechanistically,
directly
interacts
heterogeneous
nuclear
ribonucleoprotein
F
(Hnrnpf)
cytoplasm,
preventing
its
translocation
leading
Hnrnpf
levels
within
nucleus.
This
subsequently
suppresses
Hnrnpf-dependent
receptor-interacting
kinase
1
(RIPK1)
expression.
fat
mass
obesity-associated
(FTO)
mediates
demethylation
m
A
necrosis
facilitates
degradation
circCacna1c.
Conclusion
Our
study
demonstrates
that
can
improve
following
MI-induced
injury
inhibiting
Hnrnpf/RIPK1-mediated
Therefore,
FTO/circCacna1c/Hnrnpf/RIPK1
axis
holds
great
potential
as
effective
for
attenuating
caused
ischemic
disease.
Graphical
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(19), P. 11878 - 11878
Published: Oct. 6, 2022
Cardiovascular
diseases
are
the
leading
cause
of
death
globally,
with
no
cure
currently.
Therefore,
there
is
a
dire
need
to
further
understand
mechanisms
that
arise
during
heart
failure.
Notoriously,
adult
mammalian
has
very
limited
ability
regenerate
its
functional
cardiac
cells,
cardiomyocytes,
after
injury.
However,
neonatal
window
regeneration
allows
for
repair
and
renewal
cardiomyocytes
This
specific
timeline
been
interest
in
field
cardiovascular
regenerative
biology
as
potential
target
cardiomyocyte
repair.
Recently,
many
have
associated
epigenetic
regulation
within
heart.
review
summarizes
current
most
promising
regeneration,
emphasis
on
targeting
these
models
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 24, 2022
Sepsis
is
a
severe
clinical
syndrome
caused
by
dysregulated
systemic
inflammatory
responses
to
infection.
Methylation
modification,
as
crucial
mechanism
of
RNA
functional
can
manipulate
the
immunophenotype
and
activity
immune
cells
participate
in
sepsis
progression.
This
study
aims
explore
N6-methyladenosine
(m6A)
methylation
modification
cell-mediated
through
keyword
search.Literature
retrieval.Literature
retrieval
reveals
that
m6A
implicated
sepsis-induced
lung
injury
myocardial
injury,as
well
sepsis-related
encephalopathy.
Furthermore,
it
found
regulate
inhibiting
chemotaxis
neutrophils
formation
neutrophil
extracellular
traps
suppressing
macrophage
phagocytosis,
thereby
playing
role
sepsis.